very strange

guys after i did all what you said up here it seems like it was working, but the progress bar won't start ans staied empty for about 15 mins, then i stopped it and restart my device, ever since the device is restarting frequintly, when it starts it shows the Nokia word and vibrate and in 5 seconds it restarts againa and again.....

help me pleeeeeeeeease, i feel am n deep ****, what shall i do now...